Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/document/edit_paint.php

236 lines
7.7 KiB

<?php
/* For licensing terms, see /license.txt */
/**
* This file allows creating new svg and png documents with an online editor.
*
* @package chamilo.document
* @todo used the document_id instead of the curdirpath
*
* @author Juan Carlos Raña Trabado
* @since 30/january/2011
*/
require_once '../inc/global.inc.php';
$_SESSION['whereami'] = 'document/editpaint';
$this_section = SECTION_COURSES;
api_protect_course_script(true);
api_block_anonymous_users();
$groupId = api_get_group_id();
$document_data = DocumentManager::get_document_data_by_id(
$_GET['id'],
api_get_course_id(),
true
);
if (empty($document_data)) {
api_not_allowed();
} else {
$document_id = $document_data['id'];
$file_path = $document_data['path'];
$dir = dirname($document_data['path']);
$parent_id = DocumentManager::get_document_id(api_get_course_info(), $dir);
$my_cur_dir_path = isset($_GET['curdirpath']) ? Security::remove_XSS($_GET['curdirpath']) : null;
}
$dir= str_replace('\\', '/', $dir);//and urlencode each url $curdirpath (hack clean $curdirpath under Windows - Bug #3261)
/* Constants & Variables */
$current_session_id=api_get_session_id();
//path for pixlr save
$_SESSION['paint_dir']=Security::remove_XSS($dir);
if($_SESSION['paint_dir']=='/'){
$_SESSION['paint_dir']='';
}
$_SESSION['paint_file']=basename(Security::remove_XSS($file_path));
$get_file = Security::remove_XSS($file_path);
$file = basename($get_file);
$temp_file = explode(".",$file);
$filename=$temp_file[0];
$nameTools = get_lang('EditDocument') . ': '.$filename;
$courseDir = $_course['path'].'/document';
$is_allowed_to_edit = api_is_allowed_to_edit(null, true);
/* Other initialization code */
/* Please, do not modify this dirname formatting */
if (strstr($dir, '..')) {
$dir = '/';
}
if ($dir[0] == '.') {
$dir = substr($dir, 1);
}
if ($dir[0] != '/') {
$dir = '/'.$dir;
}
if ($dir[strlen($dir) - 1] != '/') {
$dir .= '/';
}
$filepath = api_get_path(SYS_COURSE_PATH).$_course['path'].'/document'.$dir;
if (!is_dir($filepath)) {
$filepath = api_get_path(SYS_COURSE_PATH).$_course['path'].'/document/';
$dir = '/';
}
//groups //TODO:clean
if (!empty($groupId)) {
$interbreadcrumb[] = array ('url' => '../group/group_space.php?'.api_get_cidreq(), 'name' => get_lang('GroupSpace'));
$group_document = true;
$noPHP_SELF = true;
}
$is_certificate_mode = DocumentManager::is_certificate_mode($dir);
if (!$is_certificate_mode)
$interbreadcrumb[]= array("url" => "./document.php?curdirpath=".urlencode($my_cur_dir_path).'&'.api_get_cidreq(), "name"=> get_lang('Documents'));
else
$interbreadcrumb[]= array ('url' => '../gradebook/'.$_SESSION['gradebook_dest'], 'name' => get_lang('Gradebook'));
// Interbreadcrumb for the current directory root path
if (empty($document_data['parents'])) {
$interbreadcrumb[] = array('url' => '#', 'name' => $document_data['title']);
} else {
foreach($document_data['parents'] as $document_sub_data) {
if ($document_data['title'] == $document_sub_data['title']) {
continue;
}
$interbreadcrumb[] = array('url' => $document_sub_data['document_url'], 'name' => $document_sub_data['title']);
}
}
$is_allowedToEdit = api_is_allowed_to_edit(null, true) || $_SESSION['group_member_with_upload_rights'] ||
DocumentManager::is_my_shared_folder(api_get_user_id(), $dir, $current_session_id);
if (!$is_allowedToEdit) {
api_not_allowed(true);
}
Event::event_access_tool(TOOL_DOCUMENT);
Display :: display_header($nameTools, 'Doc');
echo '<div class="actions">';
echo '<a href="document.php?id='.$parent_id.'&'.api_get_cidreq().'">'.
Display::return_icon('back.png',get_lang('BackTo').' '.get_lang('DocumentsOverview'),'',ICON_SIZE_MEDIUM).'</a>';
echo '<a href="edit_document.php?'.api_get_cidreq().'&id='.$document_id.'&'.api_get_cidreq().'&origin=editpaint">'.
Display::return_icon('edit.png', get_lang('Rename').'/'.get_lang('Comment'),'',ICON_SIZE_MEDIUM).'</a>';
echo '</div>';
///pixlr
$title=$file;//disk name. No sql name because pixlr return this when save
$pixlr_code_translation_table = array('' => 'en', 'pt' => 'pt-Pt', 'sr' => 'sr_latn');
$langpixlr = api_get_language_isocode();
$langpixlr = isset($pixlr_code_translation_table[$langpixlr]) ? $pixlredit_code_translation_table[$langpixlr] : $langpixlr;
$loc=$langpixlr;// deprecated ?? TODO:check pixlr read user browser
$exit_path=api_get_path(WEB_CODE_PATH).'document/exit_pixlr.php';
$_SESSION['exit_pixlr']= Security::remove_XSS($parent_id);
$referrer="Chamilo";
$target_path=api_get_path(WEB_CODE_PATH).'document/save_pixlr.php';
$target=$target_path;
$locktarget="true";
$locktitle="false";
if ($_SERVER['HTTP_HOST']=="localhost") {
$path_and_file= api_get_path(SYS_SERVER_ROOT_PATH).'/crossdomain.xml';
if (!file_exists($path_and_file)) {
$crossdomain='<?xml version="1.0"?>
<!DOCTYPE cross-domain-policy SYSTEM "http://www.adobe.com/xml/dtds/cross-domain-policy.dtd">
<cross-domain-policy>
<allow-access-from domain="cdn.pixlr.com" />
<site-control permitted-cross-domain-policies="master-only"/>
<allow-http-request-headers-from domain="cnd.pixlr.com" headers="*" secure="true"/>
</cross-domain-policy>';//more open domain="*"
@file_put_contents($path_and_file, $crossdomain);
}
$credentials="true";
}
else {
$credentials="false";
}
//make temp images
$temp_folder=api_get_path(SYS_ARCHIVE_PATH).'temp/images';
if (!file_exists($temp_folder)) {
@mkdir($temp_folder, api_get_permissions_for_new_directories(), true);//TODO:check $permissions value, now empty;
}
//make htaccess with allow from all, and file index.html into temp/images
$htaccess=api_get_path(SYS_ARCHIVE_PATH).'temp/images/.htaccess';
if (!file_exists($htaccess)) {
$htaccess_content="order deny,allow\r\nallow from all\r\nOptions -Indexes";
$fp = @ fopen(api_get_path(SYS_ARCHIVE_PATH).'temp/images/.htaccess', 'w');
if ($fp) {
fwrite($fp, $htaccess_content);
fclose($fp);
}
}
$html_index=api_get_path(SYS_ARCHIVE_PATH).'temp/images/index.html';
if (!file_exists($html_index)) {
$html_index_content="<html><head></head><body></body></html>";
$fp = @ fopen(api_get_path(SYS_ARCHIVE_PATH).'temp/images/index.html', 'w');
if ($fp) {
fwrite($fp, $html_index_content);
fclose($fp);
}
}
//encript temp name file
$name_crip=sha1(uniqid());//encript
$findext= explode(".", $file);
$extension= $findext[count($findext)-1];
$file_crip=$name_crip.'.'.$extension;
//copy file to temp/images directory
$from=$filepath.$file;
$to=api_get_path(SYS_ARCHIVE_PATH).'temp/images/'.$file_crip;
copy($from, $to);
$_SESSION['temp_realpath_image']=$to;
//load image to url
$to_url=api_get_path(WEB_ARCHIVE_PATH).'temp/images/'.$file_crip;
$image=urlencode($to_url);
$pixlr_url = api_get_protocol().'://pixlr.com/editor/?title='.$title.'&image='.$image.'&loc='.$loc.'&referrer='.$referrer.'&target='.$target.'&exit='.$exit_path.'&locktarget='.$locktarget.'&locktitle='.$locktitle.'&credentials='.$credentials;
//make frame an send image
?>
<script type="text/javascript">
document.write ('<iframe id="frame" frameborder="0" scrolling="no" src="<?php echo $pixlr_url; ?>" width="100%" height="100%"><noframes><p>Sorry, your browser does not handle frames</p></noframes></iframe>');
function resizeIframe() {
var height = window.innerHeight;
//max lower size
if (height<600) {
height=600;
}
document.getElementById('frame').style.height = height +"px";
};
document.getElementById('frame').onload = resizeIframe;
window.onresize = resizeIframe;
</script>
<?php
echo '<noscript>';
echo '<iframe style="height: 600px; width: 100%;" scrolling="no" frameborder="0" src="'.$pixlr_url.'"><noframes><p>Sorry, your browser does not handle frames</p></noframes></iframe>';
echo '</noscript>';
Display::display_footer();